Commit | Line | Data |
---|---|---|
853979d9 BJ |
1 | funarglist: |
2 | { $$ = 0; } | |
3 | | funargs | |
4 | ; | |
5 | ||
6 | funargs: expr | |
7 | { $$ = mkchain($1, CHNULL); } | |
8 | | funargs SCOMMA expr | |
9 | { $$ = hookup($1, mkchain($3,CHNULL) ); } | |
10 | ; | |
11 | ||
12 | ||
13 | expr: uexpr | |
14 | | SLPAR expr SRPAR { $$ = $2; } | |
15 | | complex_const | |
16 | ; | |
17 | ||
18 | uexpr: lhs | |
19 | | simple_const | |
20 | | expr addop expr %prec SPLUS | |
21 | { $$ = mkexpr($2, $1, $3); } | |
22 | | expr SSTAR expr | |
23 | { $$ = mkexpr(OPSTAR, $1, $3); } | |
24 | | expr SSLASH expr | |
25 | { $$ = mkexpr(OPSLASH, $1, $3); } | |
26 | | expr SPOWER expr | |
27 | { $$ = mkexpr(OPPOWER, $1, $3); } | |
28 | | addop expr %prec SSTAR | |
29 | { if($1 == OPMINUS) | |
30 | $$ = mkexpr(OPNEG, $2, ENULL); | |
31 | else $$ = $2; | |
32 | } | |
33 | | expr relop expr %prec SEQ | |
34 | { $$ = mkexpr($2, $1, $3); } | |
35 | | expr SEQV expr | |
36 | { NO66(".EQV. operator"); | |
37 | $$ = mkexpr(OPEQV, $1,$3); } | |
38 | | expr SNEQV expr | |
39 | { NO66(".NEQV. operator"); | |
40 | $$ = mkexpr(OPNEQV, $1, $3); } | |
41 | | expr SOR expr | |
42 | { $$ = mkexpr(OPOR, $1, $3); } | |
43 | | expr SAND expr | |
44 | { $$ = mkexpr(OPAND, $1, $3); } | |
45 | | SNOT expr | |
46 | { $$ = mkexpr(OPNOT, $2, ENULL); } | |
47 | | expr SCONCAT expr | |
48 | { NO66("concatenation operator //"); | |
49 | $$ = mkexpr(OPCONCAT, $1, $3); } | |
50 | ; | |
51 | ||
52 | addop: SPLUS { $$ = OPPLUS; } | |
53 | | SMINUS { $$ = OPMINUS; } | |
54 | ; | |
55 | ||
56 | relop: SEQ { $$ = OPEQ; } | |
57 | | SGT { $$ = OPGT; } | |
58 | | SLT { $$ = OPLT; } | |
59 | | SGE { $$ = OPGE; } | |
60 | | SLE { $$ = OPLE; } | |
61 | | SNE { $$ = OPNE; } | |
62 | ; | |
63 | ||
64 | lhs: name | |
65 | { $$ = mkprim($1, PNULL, CHNULL); } | |
66 | | name substring | |
67 | { NO66("substring operator :"); | |
68 | $$ = mkprim($1, PNULL, $2); } | |
69 | | name SLPAR funarglist SRPAR | |
70 | { $$ = mkprim($1, mklist($3), CHNULL); } | |
71 | | name SLPAR funarglist SRPAR substring | |
72 | { NO66("substring operator :"); | |
73 | $$ = mkprim($1, mklist($3), $5); } | |
74 | ; | |
75 | ||
76 | substring: SLPAR opt_expr SCOLON opt_expr SRPAR | |
77 | { $$ = mkchain($2, mkchain($4,CHNULL)); } | |
78 | ; | |
79 | ||
80 | opt_expr: | |
81 | { $$ = 0; } | |
82 | | expr | |
83 | ; | |
84 | ||
85 | simple: name | |
86 | { if($1->vclass == CLPARAM) | |
87 | $$ = (expptr) cpexpr( | |
88 | ( (struct Paramblock *) ($1) ) -> paramval); | |
89 | } | |
90 | | simple_const | |
91 | ; | |
92 | ||
93 | simple_const: STRUE { $$ = mklogcon(1); } | |
94 | | SFALSE { $$ = mklogcon(0); } | |
95 | | SHOLLERITH { $$ = mkstrcon(toklen, token); } | |
96 | | SICON = { $$ = mkintcon( convci(toklen, token) ); } | |
97 | | SRCON = { $$ = mkrealcon(TYREAL, convcd(toklen, token)); } | |
98 | | SDCON = { $$ = mkrealcon(TYDREAL, convcd(toklen, token)); } | |
99 | ; | |
100 | ||
101 | complex_const: SLPAR uexpr SCOMMA uexpr SRPAR | |
102 | { $$ = mkcxcon($2,$4); } | |
103 | ; | |
104 | ||
105 | bit_const: SHEXCON | |
106 | { NOEXT("hex constant"); | |
107 | $$ = mkbitcon(4, toklen, token); } | |
108 | | SOCTCON | |
109 | { NOEXT("octal constant"); | |
110 | $$ = mkbitcon(3, toklen, token); } | |
111 | | SBITCON | |
112 | { NOEXT("binary constant"); | |
113 | $$ = mkbitcon(1, toklen, token); } | |
114 | ; | |
115 | ||
116 | fexpr: unpar_fexpr | |
117 | | SLPAR fexpr SRPAR | |
118 | { $$ = $2; } | |
119 | ; | |
120 | ||
121 | unpar_fexpr: lhs | |
122 | | simple_const | |
123 | | fexpr addop fexpr %prec SPLUS | |
124 | { $$ = mkexpr($2, $1, $3); } | |
125 | | fexpr SSTAR fexpr | |
126 | { $$ = mkexpr(OPSTAR, $1, $3); } | |
127 | | fexpr SSLASH fexpr | |
128 | { $$ = mkexpr(OPSLASH, $1, $3); } | |
129 | | fexpr SPOWER fexpr | |
130 | { $$ = mkexpr(OPPOWER, $1, $3); } | |
131 | | addop fexpr %prec SSTAR | |
132 | { if($1 == OPMINUS) | |
133 | $$ = mkexpr(OPNEG, $2, ENULL); | |
134 | else $$ = $2; | |
135 | } | |
136 | | fexpr SCONCAT fexpr | |
137 | { NO66("concatenation operator //"); | |
138 | $$ = mkexpr(OPCONCAT, $1, $3); } | |
139 | ; |